Thick sword sitting on a thin hilt.
Wrong. Vaguely resembles an up arrow.
Okay. Person in a dress that looks like she's driving.
Wrong. This woman is sitting, arms pointing right.
Good. Knife with the blade pointing up.
Wrong. The correct shape could also be described as a paintbrush.
Good. Deselect the shape you choose when I said knife with blade pointing up.

Outcome: successful
Speaker comments: Had to be directed to deselect wrong answers.